Hologic Inc (HOLX) Insider Ownership

Historic Insider Ownership Trends

Hologic's three largest insider shareholders as of March 23, 2026 are Stephen P Macmillan (Chairman, President And Ceo, 1.42Mn shares), John M. Griffin (General Counsel, 182.51K shares), Karleen Marie Oberton (Chief Financial Officer, 150.74K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Stephen P Macmillan Chairman, President And Ceo 1,423,837 0 18 Nov, 2025
John M. Griffin General Counsel 182,514 0 18 Nov, 2024
Karleen Marie Oberton Chief Financial Officer 150,735 0 18 Nov, 2025
Jan Verstreken Group President, International 134,039 0 18 Nov, 2025
Sally Crawford 132,927 0 11 Mar, 2024
Essex D Mitchell Chief Operating Officer 77,610 0 18 Nov, 2025
Kevin R Thornal Group Pres, Global Diagnostics 62,368 0 17 Nov, 2022
Christiana Stamoulis 50,526 0 02 Mar, 2026
Sean S. Daugherty Group President, Bsh Surg. 49,091 0 28 Feb, 2022
Scott T Garrett 48,611 0 15 Mar, 2024
Jennifer M Schneiders President, Diag. Solutions 41,318 0 18 Nov, 2025
Anne M. Liddy General Counsel 28,052 0 02 Mar, 2026
Amy Mcbride Wendell 25,784 0 02 Mar, 2026
Erik S Anderson Div. Pres., Breast Skeletal 23,231 0 18 Nov, 2024
Mark W. Horvath President, Breast Skeletal 23,026 0 12 Feb, 2026
Namal Nawana 18,221 0 13 Mar, 2023
Benjamin Jordan Cohn Principal Accounting Officer 17,884 0 18 Nov, 2025
Brandon Schnittker President, Gyn Surgical 17,512 0 16 Dec, 2025
Ludwig Hantson 16,146 0 02 Mar, 2026
Peter Paul Dunne Svp, Human Resources 10,643 0 15 Dec, 2023
Elisabeth A Hellmann Svp, Human Resources 9,574 0 16 Nov, 2023
Stacey D. Stewart 8,358 0 02 Mar, 2026
Walt Diana De Svp, Human Resources 7,603 0 03 Feb, 2026
Nanaz Mohtashami 7,371 0 02 Mar, 2026
Charles J Dockendorff 6,626 0 02 Mar, 2026
Martin D Madaus 0 5,445 09 May, 2025
Martin D Madaus 5,396 0 02 Mar, 2026
Wayde D. Mcmillan 4,932 0 02 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
26 Feb, 2026 Stacey D. Stewart Common Stock A 3,190 - 8,358 D A
26 Feb, 2026 Nanaz Mohtashami Common Stock A 3,190 - 7,371 D A
26 Feb, 2026 Christiana Stamoulis Common Stock A 3,190 - 50,526 D A
26 Feb, 2026 Amy Mcbride Wendell Common Stock A 3,190 - 25,784 D A
26 Feb, 2026 Wayde D. Mcmillan Common Stock A 3,190 - 4,932 D A
26 Feb, 2026 Martin D Madaus Common Stock A 3,190 - 5,396 D A
26 Feb, 2026 Charles J Dockendorff Common Stock A 3,190 - 6,626 D A
27 Feb, 2026 Anne M. Liddy Common Stock D 185 $75.36 28,052 D F
26 Feb, 2026 Ludwig Hantson Common Stock A 3,190 - 16,146 D A
10 Feb, 2026 Mark W. Horvath Common Stock D 113 $75.15 23,026 D F
30 Jan, 2026 Walt Diana De Common Stock D 4,416 $74.93 7,603 D F
30 Jan, 2026 Walt Diana De Common Stock D 4,416 $74.93 7,603 D F
12 Dec, 2025 Brandon Schnittker Common Stock D 90 $75.00 17,512 D F
14 Nov, 2025 Jennifer M Schneiders Common Stock D 561 $74.15 41,318 D F
14 Nov, 2025 Essex D Mitchell Common Stock D 1,342 $74.15 77,610 D F
14 Nov, 2025 Stephen P Macmillan Common Stock D 6,874 $74.15 1,423,837 D F
14 Nov, 2025 Brandon Schnittker Common Stock D 178 $74.15 17,602 D F
14 Nov, 2025 Anne M. Liddy Common Stock D 337 $74.15 28,237 D F
14 Nov, 2025 Jan Verstreken Common Stock D 196 $74.15 134,039 D F
14 Nov, 2025 Karleen Marie Oberton Common Stock D 1,333 $74.15 150,735 D F